JT
John M. Theirl
John M. Theirl is a lawyer in Irving, TX who works for Theirl Law PLLC. Practice areas include Business, Real Estate. Licensed in Texas since 1979. Graduated from Southern Methodist University in 1979.
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Law school
Bar admission
Office
Disciplinary
JT
John M. Theirl
Theirl Law PLLCIrving, TX·46 years licensed
Claim profileContact attorney
John M. Theirl is a lawyer in Irving, TX who works for Theirl Law PLLC. Practice areas include Business, Real Estate. Licensed in Texas since 1979. Graduated from Southern Methodist University in 1979.
Law school
Southern Methodist University
Class of 1979
Bar admission
1979
State Bar of TX · No. 19829500
Office
2415 Bussey Drive
Irving, TX 75062
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Theirl Law PLLCAS OF MAY 2023Private Law Practice · Dallas, TX
- Theirl Law PLLCAPR 2026 — PRESENTPrivate Law Practice · Irving, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Business
- Real Estate
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Last refreshed Jun 2026